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Showing content from http://www.ncbi.nlm.nih.gov/IEB/ToolBox/CPP_DOC/doxyhtml/ncbicgir_8cpp_source.html below:

NCBI C++ ToolKit: src/cgi/ncbicgir.cpp Source File

48 # define STDOUT_FILENO 1 52 #define NCBI_USE_ERRCODE_X Cgi_Response 81

return ::memcmp(&date, &

,

sizeof

(tm)) == 0;

86

: m_IsRawCgi(

),

87

m_IsMultipart(eMultipart_none),

88

m_BetweenParts(

),

91

m_HeaderWritten(

),

92

m_RequireWriteHeader(

),

95

m_DisableTrackingCookie(

),

97

m_ChunkedTransfer(

)

134 if

(name.find(

"\n"

, 0) !=

) {

138 size_t

pos =

.find(

"\n"

, 0);

139 while

(pos !=

) {

141 if

(pos >=

.size())

break

;

142 if

(

[pos] !=

' '

&&

[pos] !=

'\t'

) {

145

pos =

.find(

"\n"

, pos);

153 if

(

.empty() ) {

161 "CCgiResponse::SetHeaderValue() -- " 162 "invalid header name or value: "

+

163

name +

"="

+

);

177 if

( !::strftime(buff,

sizeof

(buff),

178 "%a, %d %b %Y %H:%M:%S GMT"

, &date) ) {

180 "CCgiResponse::SetHeaderValue() -- strftime() failed"

);

201 "CCgiResponse::SetStatus() -- code too small, below 100"

);

205 "CCgiResponse::SetStatus() -- code too big, exceeds 999"

);

234 m_Output

->exceptions(IOS_BASE::badbit | IOS_BASE::failbit);

241 bool

client_int_ok = TClientConnIntOk::GetDefault() ||

247

(

->rdstate() & (IOS_BASE::badbit | IOS_BASE::failbit)) != 0 &&

250 "CCgiResponse::GetOutput() -- output stream is in bad state"

);

260 THROW1_TRACE

(runtime_error,

"CCgiResponse::out() on NULL out.stream"

);

271 "CCgiResponse::WriteHeader() -- called more than once"

);

279 bool

skip_status =

false

;

282 if

( status.empty() ) {

287

os <<

"HTTP/1.1 "

<< status <<

;

295

<<

"Mime-Version: 1.0"

<<

;

304 self

->m_JQuery_Callback.erase();

345 self

->SetHeaderValue(TCGI_TrackingTagName::GetDefault(),

361 "Cache-Control already set to 'public', " 362 "switching to 'private'"

);

366

cc.append(

", private"

);

386

os <<

i

->first <<

": "

<<

i

->second <<

;

389 if

( chunked_transfer ) {

391

os <<

"Transfer-Encoding: chunked"

<<

;

396 if

( !trailer.empty() ) {

397

trailer.append(

", "

);

399

trailer.append(it->first);

401

os <<

"Trailer: "

<< trailer <<

;

415

os << it->first <<

": "

<< it->second <<

;

443 else if

( chunked_transfer ) {

461 ERR_POST_X

(5,

"CCgiResponse::WriteHeader() has not been called - " 462 "HTTP header can be missing."

);

474

disposition +=

"; size="

;

489 string type

= type_in;

490 if

(

.empty()

) {

496 if

( !name.empty() ) {

500

os <<

"; size="

<<

;

532 if

(!os || !os->good()) {

540 const string

& domain,

const string

& path,

541 const CTime

& exp_time)

566 if

(

&& throw_on_bad_output) {

568 m_Output

->exceptions(IOS_BASE::badbit | IOS_BASE::failbit);

603 ctx

.GetValues(values);

635 return

TCGI_ChunkSize::GetDefault();

642 const string

& protocol =

.Get(

"SERVER_PROTOCOL"

);

649 switch

( TCGI_ChunkedTransfer::GetDefault() ) {

668 ERR_POST_X

(6,

"Attempt to enable chunked transfer after writing " 706 ITERATE

(list<string>, it, parts) {

746 ERR_POST_X

(7,

"Can not set trailer not announced in HTTP header: " 755 "CCgiResponse::SetTrailerValue() -- " 756 "invalid trailer name or value: "

+

757

name +

"="

+

);

Exception classes used by the NCBI CGI framework.

API to store CGI session data between Web requests.

CCgiResponseException â.

CRetryContext â Retry context.

container_type::const_iterator const_iterator

const_iterator end() const

const_iterator lower_bound(const key_type &key) const

const_iterator find(const key_type &key) const

static SQLCHAR output[256]

#define ITERATE(Type, Var, Cont)

ITERATE macro to sequence through container elements.

void AbortChunkedTransfer(void)

EStreamMode GetWriterMode(void)

void SetWriterMode(EStreamMode mode)

void FinishChunkedTransfer(const TTrailer *trailer)

#define NCBI_CGI_THROW_WITH_STATUS(exception, err_code, message, status)

static string GetStdStatusMessage(EStatusCode code)

EStatusCode

HTTP status codes.

bool HaveContentRange(void) const

Check if 'Content-Range' header is set.

static const char * sm_HTTPStatusName

const CCgiRequest * m_Request

unique_ptr< bool > m_TrailerEnabled

void SetSecure(bool secure)

static const char * sm_ContentRange

void RemoveTrailer(const string &name)

Remove trailer. Must be called before WriteHeader().

bool CanSendTrailer(void) const

Check if trailer can be sent: chunked transfer must be enabled and the request's TE header must inclu...

static const char * sm_CacheControl

void AbortChunkedTransfer(void)

Abort chunked transfer, block any writes to the output stream.

void SetHeaderValue(const string &name, const string &value)

string GetTrailerValue(const string &name) const

Get current trailer value.

unique_ptr< CCgiCookie > m_TrackingCookie

void SetChunkedTransferEnabled(bool value)

void x_RestoreOutputExceptions(void)

static const char * sm_AcceptRanges

CCgiRequest::ERequestMethod m_RequestMethod

void SetThrowOnBadOutput(bool throw_on_bad_output)

If set to TRUE then the writes to a "bad" output stream will throw exceptions of type std::ios_base::...

static const char * sm_ContentTypeMixed

static const char * sm_ContentTypeDefault

void Flush(void) const

Flush output stream.

bool m_RequireWriteHeader

void SetExceptionAfterHEAD(bool expt_after_head)

static const char * sm_FilenamePrefix

static const char * sm_ContentTypeName

CNcbiOstream::iostate m_OutputExpt

CNcbiOstream & out(void) const

Get output stream. Throw exception if GetOutput() is NULL.

void AddTrailer(const string &name)

Prepare to send trailer.

static const char * sm_ContentTypeRelated

void SetFilename(const string &name, size_t size=0)

static const char * sm_ContentDispoName

void SetStatus(unsigned int code, const string &reason=kEmptyStr)

EMultipartMode m_IsMultipart

CCgiResponse(CNcbiOstream *os=NULL, int ofd=-1)

void SetTrackingCookie(const string &name, const string &value, const string &domain, const string &path, const CTime &exp_time=CTime())

const CNcbiEnvironment & GetEnvironment() const

static bool x_ClientSupportsChunkedTransfer(const CNcbiEnvironment &env)

void SetOutput(CNcbiOstream *os, int fd=-1)

Set output stream (NULL here means "no output stream").

void SetHttpOnly(bool http_only)

bool m_DisableTrackingCookie

static const char * sm_HTTPStatusDefault

CCgiCookie * Add(const string &name, const string &value, const string &domain=kEmptyStr, const string &path=kEmptyStr, EOnBadCookie on_bad_cookie=eOnBadCookie_SkipAndError)

All Add() functions: if the added cookie has the same {name, domain, path} as an already existing one...

static size_t GetChunkSize(void)

void Finalize(void) const

Called by the CGI framework after a ProcessRequest(), unless the latter threw an exception.

bool HaveTrailer(const string &name) const

Check if trailer has been added and its value can be set.

static const char * sm_LocationName

bool AcceptRangesBytes(void) const

Check if 'Accept-Ranges' header is set to 'bytes'.

string GetHeaderValue(const string &name) const

const string & GetRandomProperty(const string &key, bool http=true) const

Get value of a random client property; if "http" is TRUE then add prefix "HTTP_" to the property name...

void SetRetryContext(const CRetryContext &ctx)

Set retry headers from the context.

bool HaveHeaderValue(const string &name) const

bool x_ValidateHeader(const string &name, const string &value) const

bool GetAllCookiesSecure(void) const

void SetTrailerValue(const string &name, const string &value)

Set trailer value.

void FinishChunkedTransfer(void)

Finish chunked transfer, append zero chunk and trailers, if any.

CNcbiOstream & WriteHeader(void) const

Write HTTP response header to the output stream.

bool IsRawCgi(void) const

void InitCORSHeaders(const string &origin, const string &jquery_callback=kEmptyStr)

This method is called automatically by CCgiContext.

bool GetAllCookiesHttpOnly(void) const

void RemoveHeaderValue(const string &name)

static const char * sm_AcceptRangesBytes

const CCgiSession * m_Session

CNcbiOstream * GetOutput(void) const

Get output stream (NULL here means "no output stream").

static const char * sm_ContentTypeXMR

TCGI_ThrowOnBadOutput m_ThrowOnBadOutput

bool GetChunkedTransferEnabled(void) const

Check/change chunked transfer encoding status.

bool Empty(void) const

Return TRUE if this set contains no cookies.

static const char * sm_BoundaryPrefix

void BeginPart(const string &name, const string &type, size_t size=0)

void DisableTrackingCookie(void)

TCGI_ExceptionAfterHEAD m_ExceptionAfterHEAD

const CCgiCookie * GetSessionCookie(void) const

Get a cookie pertaining to the session.

@ eEngine_IE

Microsoft Internet Explorer (Trident and etc)

int GetRequestStatus(void) const

Request exit status.

CDiagContext & GetDiagContext(void)

Get diag context instance.

const string & GetNextSubHitID(CTempString prefix=CTempString())

Get current hit id appended with auto-incremented sub-hit id.

#define ERR_POST_X_ONCE(err_subcode, message)

Error posting only once during program execution with default error code and given error subcode.

static CRequestContext & GetRequestContext(void)

Shortcut to CDiagContextThreadData::GetThreadData().GetRequestContext()

void SetRequestStatus(int status)

#define ERR_POST_X(err_subcode, message)

Error posting with default error code and given error subcode.

#define NCBI_THROW(exception_class, err_code, message)

Generic macro to throw an exception, given the exception class, error code and message string.

void Warning(CExceptionArgs_Base &args)

#define THROW1_TRACE(exception_class, exception_arg)

Throw trace.

@ eParam_NoThread

Do not use per-thread values.

#define END_NCBI_SCOPE

End previously defined NCBI scope.

#define BEGIN_NCBI_SCOPE

Define ncbi namespace.

string Printable(char c)

Convert one single character to a "printable" form.

IO_PREFIX::ostream CNcbiOstream

Portable alias for ostream.

static string SizetToString(size_t value, TNumToStringFlags flags=0, int base=10)

Convert size_t to string.

static string PrintableString(const CTempString str, TPrintableMode mode=fNewLine_Quote|fNonAscii_Passthru)

Get a printable version of the specified string.

static list< string > & Split(const CTempString str, const CTempString delim, list< string > &arr, TSplitFlags flags=0, vector< SIZE_TYPE > *token_pos=NULL)

Split a string using specified delimiters.

static SIZE_TYPE FindNoCase(const CTempString str, const CTempString pattern, SIZE_TYPE start, SIZE_TYPE end, EOccurrence which=eFirst)

Find the pattern in the specified range of a string using a case insensitive search.

static string UIntToString(unsigned int value, TNumToStringFlags flags=0, int base=10)

Convert UInt to string.

static bool StartsWith(const CTempString str, const CTempString start, ECase use_case=eCase)

Check if a string starts with a specified prefix value.

static bool EqualNocase(const CTempString s1, SIZE_TYPE pos, SIZE_TYPE n, const char *s2)

Case-insensitive equality of a substring with another string.

static string & ReplaceInPlace(string &src, const string &search, const string &replace, SIZE_TYPE start_pos=0, SIZE_TYPE max_replace=0, SIZE_TYPE *num_replace=0)

Replace occurrences of a substring within a string.

static string TruncateSpaces(const string &str, ETrunc where=eTrunc_Both)

Truncate whitespace in a string.

@ fSplit_MergeDelimiters

Merge adjacent delimiters.

@ eNocase

Case insensitive compare.

string AsString(const CTimeFormat &format=kEmptyStr, TSeconds out_tz=eCurrentTimeZone) const

Transform time to string.

bool IsEmpty(void) const

Is time object empty (date and time)?

CTime & AddYear(int years=1, EDaylight adl=eDaylightDefault)

Add specified years and adjust for daylight saving time.

CTime GetGmtTime(void) const

@ eCurrent

Use current time. See also CCurrentTime.

@ eGmt

GMT (Greenwich Mean Time)

Definition of all error codes used in cgi (xcgi.lib).

pair< int, int > ChunkSize(const CSpliced_exon_chunk &chunk)

const struct ncbi::grid::netcache::search::fields::SIZE size

const GenericPointer< typename T::ValueType > T2 value

Static variables safety - create on demand, destroy on application termination.

static const tm kZeroTime

NCBI_PARAM_DEF_EX(size_t, CGI, ChunkSize, 4096, eParam_NoThread, CGI_CHUNK_SIZE)

NCBI_PARAM_ENUM_ARRAY(ECgiChunkedTransfer, CGI, ChunkedTransfer)

typedef NCBI_PARAM_TYPE(CGI, ChunkedTransfer) TCGI_ChunkedTransfer

NCBI_PARAM_DEF_IN_SCOPE(bool, CGI, ThrowOnBadOutput, true, CCgiResponse)

NCBI_PARAM_DECL(size_t, CGI, ChunkSize)

NCBI_PARAM_ENUM_DEF_EX(ECgiChunkedTransfer, CGI, ChunkedTransfer, eChunked_Default, eParam_NoThread, CGI_CHUNKED_TRANSFER)

NCBI_PARAM_ENUM_DECL(ECgiChunkedTransfer, CGI, ChunkedTransfer)

bool s_ZeroTime(const tm &date)

Defines CRequestContext class for NCBI C++ diagnostic API.

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